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SubjectRe: [PATCH] fs/proc/: fix input sanity check.
On Wed, 12 Aug 2009, Vincent Li wrote:

> I re-read the clear_refs_write() in fs/proc/task_mmu.c, If I understand it
> correctly, The old code takes non-zero string
> from userspace and convert it to unsigned long interger value. for

strict_strtol() converts to long.

> example,It accepts:
>
> echo 1 > /proc/pid/clear_refs
> echo 12foo > /proc/pid/clear_refs
>

http://userweb.kernel.org/~akpm/mmotm/broken-out/pagemap-clear_refs-modify-to-specify-anon-or-mapped-vma-clearing.patch
changes that, so you'll need to rebase on mmotm.


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